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(Pathological aging) 1- Is the genetic diagnosis for the ApoE E4 allele recommended in alzheimer’s disease...

  1. (Pathological aging) 1- Is the genetic diagnosis for the ApoE E4 allele recommended in alzheimer’s disease (1 pt). 2- Give one reason why (1 pt).

Solutions

Expert Solution

No. genetic diagnosis for the ApoE E4 allele recommended in alzheimer’s disease.

APOE genotyping is not widely used. The clinical usefulness of this test is still being researched, but it may be used as an aid in the diagnosis of probable late onset Alzheimer disease (AD) in a symptomatic adult

having a genetic variant of the apolipoprotein E (APOE) gene on chromosome 19 does increase a person's risk. The APOE gene is involved in making a protein that helps carry cholesterol and other types of fat in the bloodstream.

APOE ε4 increases risk for Alzheimer's disease and is also associated with an earlier age of disease onset. Having one or two APOE ε4 alleles increases the risk of developing Alzheimer's. About 25 percent of people carry one copy of APOE ɛ4, and 2 to 3 percent carry two copies.

people with the APOE e4 allele inherit an increased risk of developing Alzheimer disease, not the disease itself. Not all people with Alzheimer disease have the APOE e4 allele, and not all people who have this allele will develop the disease.


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